300 		 * if the device doesn't have any graph connections  in of_get_coresight_platform_data()
348 /* ACPI Graph _DSD UUID : "ab02a46b-74c7-45a2-bd68-f7d344ef2153" */
352 /* Coresight ACPI Graph UUID : "3ecbc8b6-1d0e-4fb3-8107-e627f805c6cd" */
405  * acpi_validate_dsd_graph	- Make sure the given _DSD graph conforms
406  * to the ACPI _DSD Graph specification.
408  * ACPI Devices Graph property has the following format:
412  *	Graph[1],
414  *	Graph[N]
417  * And each Graph entry has the following format:
419  *	GraphID		- Integer, identifying a graph the device belongs to.
421  *			  this graph. (e.g, see is_acpi_coresight_graph())
422  *	NumberOfLinks	- Number "N" of connections on this node of the graph.
452  *	ToUUID("ab02a46b-74c7-45a2-bd68-f7d344ef2153"), // ACPI Graph UUID
456  *	  Package() {	// Graph[0] Package
458  *	     // Coresight Graph UUID
467  *	  }	// End of Graph[0] Package
469  *	}, // End of ACPI Graph Property
472 static inline bool acpi_validate_dsd_graph(const union acpi_object *graph)  in acpi_validate_dsd_graph()  argument
477 	/* The graph must contain at least the Revision and Number of Graphs */  in acpi_validate_dsd_graph()
478 	if (graph->package.count < 2)  in acpi_validate_dsd_graph()
481 	rev = &graph->package.elements[0];  in acpi_validate_dsd_graph()
482 	nr_graphs = &graph->package.elements[1];  in acpi_validate_dsd_graph()
493 	/* CoreSight devices are only part of a single Graph */  in acpi_validate_dsd_graph()
497 	/* Make sure the ACPI graph package has right number of elements */  in acpi_validate_dsd_graph()
498 	if (graph->package.count != (n + 2))  in acpi_validate_dsd_graph()
502 	 * Each entry must be a graph package with at least 3 members :  in acpi_validate_dsd_graph()
506 		const union acpi_object *obj = &graph->package.elements[i];  in acpi_validate_dsd_graph()
516 /* acpi_get_dsd_graph	- Find the _DSD Graph property for the given device. */
533 	 * Iterate through all the packages and find the Graph.  in acpi_get_dsd_graph()
544 		/* Skip the non-Graph _DSD packages */  in acpi_get_dsd_graph()
549 		/* Invalid graph format, continue */  in acpi_get_dsd_graph()
550 		dev_warn(&adev->dev, "Invalid Graph _DSD property\n");  in acpi_get_dsd_graph()
563 	 * Graph must have the following fields :  in acpi_validate_coresight_graph()
574  * the Graph property matching the CoreSight Graphs.
576  * Returns the pointer to the CoreSight Graph Package when found. Otherwise
582 	const union acpi_object *graph_list, *graph;  in acpi_get_coresight_graph()  local
592 		graph = &graph_list->package.elements[i];  in acpi_get_coresight_graph()
593 		if (!is_acpi_coresight_graph(graph))  in acpi_get_coresight_graph()
595 		if (acpi_validate_coresight_graph(graph))  in acpi_get_coresight_graph()
596 			return graph;  in acpi_get_coresight_graph()
597 		/* Invalid graph format */  in acpi_get_coresight_graph()
605  * acpi_coresight_parse_link	- Parse the given Graph connection
609  * CoreSight Graph specification mandates that the direction of the data
678  * acpi_coresight_parse_graph	- Parse the _DSD CoreSight graph
688 	const union acpi_object *graph;  in acpi_coresight_parse_graph()  local
693 	graph = acpi_get_coresight_graph(adev, &buf);  in acpi_coresight_parse_graph()
695 	 * There are no graph connections, which is fine for some components.  in acpi_coresight_parse_graph()
698 	if (!graph)  in acpi_coresight_parse_graph()
701 	nlinks = graph->package.elements[2].integer.value;  in acpi_coresight_parse_graph()
706 		const union acpi_object *link = &graph->package.elements[3 + i];  in acpi_coresight_parse_graph()